填空题(25.0分)(1) The unit vector in the direction of the vector 37+ 4k is(2) The dot product (-2,1,3) (5,4, 3) =(3) The domain of f(x,y) = In(x? + y² – 1) is|(4) Suppose f(x, y) = xe*+y. Then f,(1,-1) =%3D6.(5) The double integral L, 3x² ydxdy: 简答题(10.0分)8.Find parametric equations and symmetric equations for a line which is perpendicular theplane 2x – y +3z + 5 = 0 and through the point (4,-6,1). -

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(1) The unit vector in the direction of the vector 37+ 4k is (2) The dot product (-2,1,3) (5,4, 3) = (3) The domain of f(x,y) = In(x2 + y? – 1) is (4) Suppose f(x, y) = xe*+y. Then f,(1,-1) = %3D 6 (5) The double integral S, 3x²ydxdy =

(1) The unit vector in the direction of the vector 37+ 4k is (2) The dot product (-2,1,3) (5,4, 3) = (3) The domain of f(x,y) = In(x2 + y? – 1) is (4) Suppose f(x, y) = xe*+y. Then f,(1,-1) = %3D 6 (5) The double integral S, 3x²ydxdy =

Calculus: Early Transcendentals

8th Edition

ISBN:9781285741550

Author:James Stewart

Publisher:James Stewart

Chapter1: Functions And Models

Section: Chapter Questions

Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...

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Question

填空题(25.0分)
(1) The unit vector in the direction of the vector 37+ 4k is
(2) The dot product (-2,1,3) (5,4, 3) =
(3) The domain of f(x,y) = In(x? + y² – 1) is
|
(4) Suppose f(x, y) = xe*+y. Then f,(1,-1) =
%3D
6.
(5) The double integral L, 3x² ydxdy:

简答题(10.0分)
8.
Find parametric equations and symmetric equations for a line which is perpendicular the
plane 2x – y +3z + 5 = 0 and through the point (4,-6,1). -

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